<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title> </title>
	</head>
	<body>
		<p> 1.3 三个页面分别设置三个按钮，实现页面刷新功能</p>
		<button type="button" onclick="reloadNow();">页面刷新</button>
		<button type="button" onclick="getback();">后退</button>
		<button type="button" onclick="geta();">跳转回页面a</button>
	</body>
	<script type="text/javascript">
		function reloadNow(){
			location.reload();
		}
		function getback(){
			location.href='b.html';
		}
		function geta(){
			location.href='a.html';
		}
	</script>
</html>
